Press release: ""The 'last ad clicked' is an outdated and flawed approach because it essentially ignores all prior interactions the consumer has with a marketer's message," said Brian McAndrews, senior vice president of the Advertiser & Publisher Solutions (APS) Division at Microsoft. “Our Engagement Mapping approach conveys how each ad exposure -- whether display, rich media or search, seen multiple times on multiple sites and across many channels -- influenced an eventual purchase. We believe it represents a quantum leap for advertisers and publishers who are seeking to maximize their online spends.""